The Monastery of Santa Marí­a de Rioseco is located on the banks of the Ebro River, in the hidden valley of Manzanedo, in the Merindades de Burgos (Spain), at the gates of the Alto Ebro Natural Park and the Rudrón River, 10 10 km from Villarcayo, 72 km from Burgos, 94 km from Bilbao and 105 km from Santander.